EP0212632A2 - Teilnehmerschnittstellenschaltung - Google Patents
Teilnehmerschnittstellenschaltung Download PDFInfo
- Publication number
- EP0212632A2 EP0212632A2 EP86111530A EP86111530A EP0212632A2 EP 0212632 A2 EP0212632 A2 EP 0212632A2 EP 86111530 A EP86111530 A EP 86111530A EP 86111530 A EP86111530 A EP 86111530A EP 0212632 A2 EP0212632 A2 EP 0212632A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- current
- circuit
- signal
- voltage
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/28—Current-supply circuits or arrangements for selection equipment at exchanges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP180960/85 | 1985-08-20 | ||
JP60180957A JPS6242629A (ja) | 1985-08-20 | 1985-08-20 | グランド分離回路 |
JP180959/85 | 1985-08-20 | ||
JP60180959A JPS6242695A (ja) | 1985-08-20 | 1985-08-20 | 2線−4線変換回路 |
JP60180958A JPS6242661A (ja) | 1985-08-20 | 1985-08-20 | 給電電流制限回路 |
JP180958/85 | 1985-08-20 | ||
JP180957/85 | 1985-08-20 | ||
JP60180960A JPS6242662A (ja) | 1985-08-20 | 1985-08-20 | 給電回路 |
JP180956/85 | 1985-08-20 | ||
JP60180956A JPS6242655A (ja) | 1985-08-20 | 1985-08-20 | 監視回路 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0212632A2 true EP0212632A2 (de) | 1987-03-04 |
EP0212632A3 EP0212632A3 (en) | 1989-05-10 |
EP0212632B1 EP0212632B1 (de) | 1992-11-25 |
Family
ID=27528787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86111530A Expired - Lifetime EP0212632B1 (de) | 1985-08-20 | 1986-08-20 | Teilnehmerschnittstellenschaltung |
Country Status (7)
Country | Link |
---|---|
US (1) | US4827505A (de) |
EP (1) | EP0212632B1 (de) |
KR (1) | KR900001135B1 (de) |
CN (1) | CN1003032B (de) |
AU (1) | AU574277B2 (de) |
CA (1) | CA1260170A (de) |
DE (1) | DE3687153T2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0295680A2 (de) * | 1987-06-17 | 1988-12-21 | Fujitsu Limited | Speiseschaltung |
EP0520156A2 (de) * | 1991-06-25 | 1992-12-30 | STMicroelectronics S.r.l. | Strombegrenzte Teilnehmerschnittstellenschaltung |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1291835C (en) * | 1987-06-19 | 1991-11-05 | Toshiro Tojo | Ring trip circuit for subscriber telephone |
US4964116A (en) * | 1988-11-02 | 1990-10-16 | Ant Nachrichtentechnik Gmbh | DS3 - line interface linear array (lila) |
JPH0618396B2 (ja) * | 1989-07-03 | 1994-03-09 | ローム株式会社 | 電話機用電源回路 |
JP2780363B2 (ja) * | 1989-08-11 | 1998-07-30 | 富士通株式会社 | ハイブリッド回路 |
JPH05145627A (ja) * | 1991-09-12 | 1993-06-11 | Fujitsu Ltd | リングトリツプ検出回路 |
JPH05130650A (ja) * | 1991-11-07 | 1993-05-25 | Fujitsu Ltd | 有線回線におけるオンフツクトランスミツシヨン回路 |
US5745563A (en) * | 1992-02-25 | 1998-04-28 | Harris Corporation | Telephone subscriber line circuit, components and methods |
EP0693846A3 (de) * | 1994-06-24 | 1999-05-26 | Harris Corporation | Fernsprechteilnehmerleitungsschnittstelle und Verfahren |
US5517565A (en) * | 1994-06-30 | 1996-05-14 | Harris Corporation | Integrated ringer relay circuit and method |
US5854839A (en) * | 1996-05-10 | 1998-12-29 | Lucent Technologies Inc. | Dual voltage, self-monitoring line circuit |
DE19636954B4 (de) * | 1996-09-11 | 2005-08-18 | Infineon Technologies Ag | Teilnehmerschaltung |
KR20000057810A (ko) * | 1999-01-28 | 2000-09-25 | 가나이 쓰토무 | 반도체 장치 |
EP1173966B1 (de) * | 1999-04-22 | 2005-04-20 | Silicon Laboratories, Inc. | Teilnehmerleitungsschnittstellenschaltung |
US7180999B1 (en) * | 1999-04-22 | 2007-02-20 | Silicon Laboratories, Inc. | Subscriber line interface circuitry |
US6567521B1 (en) | 1999-08-17 | 2003-05-20 | Silicon Laboratories, Inc. | Subscriber loop interface circuitry having bifurcated common mode control |
US7158633B1 (en) | 1999-11-16 | 2007-01-02 | Silicon Laboratories, Inc. | Method and apparatus for monitoring subscriber loop interface circuitry power dissipation |
US7486787B2 (en) | 2000-06-30 | 2009-02-03 | Silicon Laboratories, Inc. | Subscriber line interface circuitry with common base audio isolation stage |
US7447307B2 (en) * | 2000-11-29 | 2008-11-04 | Cisco Technology, Inc. | Unpowered twisted pair loopback circuit for differential mode signaling |
KR100836747B1 (ko) * | 2006-10-27 | 2008-06-17 | 주식회사유성계전 | 직류접지검출장치 |
DE102014215289A1 (de) * | 2014-08-04 | 2016-02-04 | Robert Bosch Gmbh | Energieversorgungssystem für ein Kraftfahrzeug mit Elektro- oder Hybridantrieb |
CN113873089B (zh) * | 2020-06-30 | 2022-09-23 | 华为技术有限公司 | 一种降低噪声的方法和装置 |
CN113806269A (zh) * | 2021-09-14 | 2021-12-17 | 深圳群芯微电子有限责任公司 | Usb端口恒压供电电路 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2001508A (en) * | 1977-07-14 | 1979-01-31 | Boxall F | Hybrid circuit |
GB2058519A (en) * | 1979-09-05 | 1981-04-08 | Hitachi Ltd | Telephone line loop detecting circuit |
GB2065420A (en) * | 1979-12-05 | 1981-06-24 | Nippon Telegraph & Telephone | Current supplying circuit with shorted toground fault detecting function |
EP0047046A1 (de) * | 1980-09-02 | 1982-03-10 | Koninklijke Philips Electronics N.V. | Anordnung zum Austauschen von Signalen zwischen getrennten Schaltungsanordnungen |
FR2535568A1 (fr) * | 1982-10-29 | 1984-05-04 | Western Electric Co | Circuit de detection de signal |
EP0112731A2 (de) * | 1982-12-28 | 1984-07-04 | Nec Corporation | Schnittstellenschaltung für eine Teilnehmerleitung |
FR2542548A1 (fr) * | 1983-03-07 | 1984-09-14 | American Telephone & Telegraph | Circuit d'interface de ligne telephonique |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2437757A2 (fr) * | 1978-06-26 | 1980-04-25 | Trt Telecom Radio Electr | Joncteur d'abonne destine a assurer un couplage en deux fils ou quatre fils avec un central telephonique |
US4300023A (en) * | 1979-08-13 | 1981-11-10 | Motorola, Inc. | Hybrid circuit |
US4314196A (en) * | 1980-07-14 | 1982-02-02 | Motorola Inc. | Current limiting circuit |
AU531199B2 (en) * | 1981-03-19 | 1983-08-11 | Telecommunications Radioelectriques Et Telephoniques T.R.T. | Current mirror |
US4431874A (en) * | 1981-09-24 | 1984-02-14 | Motorola, Inc. | Balanced current multiplier circuit for a subscriber loop interface circuit |
JP3829363B2 (ja) * | 1996-06-14 | 2006-10-04 | コニカミノルタホールディングス株式会社 | 電子カメラ |
-
1986
- 1986-08-19 CA CA000516222A patent/CA1260170A/en not_active Expired
- 1986-08-19 US US06/897,914 patent/US4827505A/en not_active Expired - Fee Related
- 1986-08-19 AU AU61585/86A patent/AU574277B2/en not_active Ceased
- 1986-08-20 CN CN86105137A patent/CN1003032B/zh not_active Expired
- 1986-08-20 KR KR8606880A patent/KR900001135B1/ko not_active IP Right Cessation
- 1986-08-20 EP EP86111530A patent/EP0212632B1/de not_active Expired - Lifetime
- 1986-08-20 DE DE8686111530T patent/DE3687153T2/de not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2001508A (en) * | 1977-07-14 | 1979-01-31 | Boxall F | Hybrid circuit |
GB2058519A (en) * | 1979-09-05 | 1981-04-08 | Hitachi Ltd | Telephone line loop detecting circuit |
GB2065420A (en) * | 1979-12-05 | 1981-06-24 | Nippon Telegraph & Telephone | Current supplying circuit with shorted toground fault detecting function |
EP0047046A1 (de) * | 1980-09-02 | 1982-03-10 | Koninklijke Philips Electronics N.V. | Anordnung zum Austauschen von Signalen zwischen getrennten Schaltungsanordnungen |
FR2535568A1 (fr) * | 1982-10-29 | 1984-05-04 | Western Electric Co | Circuit de detection de signal |
EP0112731A2 (de) * | 1982-12-28 | 1984-07-04 | Nec Corporation | Schnittstellenschaltung für eine Teilnehmerleitung |
FR2542548A1 (fr) * | 1983-03-07 | 1984-09-14 | American Telephone & Telegraph | Circuit d'interface de ligne telephonique |
Non-Patent Citations (3)
Title |
---|
Electronic Design, Vol. 28, No. 20, September 27, 1980, pages 84-91; L. BROWN et al.: "One chip closes in on SLIC functions" * |
IEEE Journal of Solid State Circuits, Vol. SC-16, No. 4, August 1981, pages 270-278; IEEE, New York, US, W.D. PACE: "A monolithic telephone subscriber loop interface circuit" * |
IEEE Journal of Solid-State Circuits, Vol. SC-17, No. 6, December 1982, pages 1144-1149; IEEE, New York, US; K. KAWARADA et al.: "High-voltage subscriber line interface LSI's" * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0295680A2 (de) * | 1987-06-17 | 1988-12-21 | Fujitsu Limited | Speiseschaltung |
EP0295680A3 (en) * | 1987-06-17 | 1990-12-05 | Fujitsu Limited | Battery feed circuit |
EP0520156A2 (de) * | 1991-06-25 | 1992-12-30 | STMicroelectronics S.r.l. | Strombegrenzte Teilnehmerschnittstellenschaltung |
EP0520156A3 (de) * | 1991-06-25 | 1994-04-06 | St Microelectronics Srl |
Also Published As
Publication number | Publication date |
---|---|
DE3687153T2 (de) | 1993-04-15 |
KR900001135B1 (en) | 1990-02-27 |
CN1003032B (zh) | 1989-01-04 |
AU574277B2 (en) | 1988-06-30 |
US4827505A (en) | 1989-05-02 |
AU6158586A (en) | 1987-03-26 |
EP0212632B1 (de) | 1992-11-25 |
DE3687153D1 (de) | 1993-01-07 |
KR870002736A (ko) | 1987-04-06 |
CN86105137A (zh) | 1987-03-18 |
CA1260170A (en) | 1989-09-26 |
EP0212632A3 (en) | 1989-05-10 |
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